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Technical refinements in percutaneous nephroureterolithotomy.

M P Banner, E J Stein, H M Pollack

AJR. American Journal of Roentgenology

|July 1, 1985

Summary

Percutaneous nephrostolithotomy and ureterolithotomy are effective for kidney stones. Technical refinements improve success rates for these minimally invasive procedures, aiding stone removal and patient recovery.

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Area of Science:

Urology
Minimally Invasive Surgery

Background:

Percutaneous nephrostolithotomy and ureterolithotomy are standard treatments for upper urinary tract calculi.
Procedure success hinges on optimal percutaneous nephrostomy track creation.
Unobstructed collecting systems or interfering calculi can complicate nephrostomy.

Purpose of the Study:

To present technical refinements for percutaneous nephrostolithotomy and ureterolithotomy.
To detail methods that enhance the success of these procedures.

Main Methods:

External abdominal compression for collecting system distention and renal puncture.
Ureteral distention for percutaneous calculus extraction.
Kidney repositioning for improved access.
Targeting opaque caliceal calculi for puncture.
Saline flush for accurate needle placement.
Accelerated track dilatation with semirigid fascial dilators.

Main Results:

Over 200 successful nephrostomies and ureterolithotomies performed.
Refinements facilitate procedures in challenging cases.
Air contrast for postprocedural nephrostography is discussed.

Conclusions:

Technical advancements significantly improve percutaneous stone removal outcomes.
These refinements offer solutions for difficult percutaneous nephrostolithotomy and ureterolithotomy cases.

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